Abstract
We report the synthesis of single crystals of α-ZrSb2/α-HfSb2 and their magneto-transport properties. Both of α-ZrSb2 and α-HfSb2 exhibit metallic behavior. The T3 behavior of zero-field resistivity for both compounds below 30 K indicates interband electron-phonon scattering. The magnetoresistance (MR) is found to obey Kohler's rule for ZrSb2 while the MR of HfSb2 deviates from this rule. A possible explanation for the results of Kohler's plot is considered, which is confirmed with the results of the Hall effect. The positive linear Hall resistivity of ZrSb2 suggests hole-type carriers and a mobility of , while the existence of two types of carriers in HfSb2 is confirmed from the nonlinear Hall resistivity.
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